The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2015
Filed:
Sep. 26, 2012
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
James A. Silver, Kennett Square, PA (US);
C. Chad Roberts, Hockessin, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2014.01); C08K 5/00 (2006.01); C09D 17/00 (2006.01); C09D 11/322 (2014.01);
U.S. Cl.
CPC ...
C09D 17/001 (2013.01); C09D 11/322 (2013.01);
Abstract
A process for preparing an aqueous pigment dispersion is provided in which a pigment, a coating agent, a grinding agent and a vehicle are subjected to grinding, followed by removal of the grinding agent and the vehicle to form a press cake, and dispersing the press cake to form a pigment dispersion. Also disclosed is an ink-jet ink containing an aqueous vehicle and the aqueous pigment dispersion thus made.